第九届国际悉生生物学讨论会(ⅨInternational Symposium on Gnotobiology)于1987年6月21日至26日在法国巴黎的凡尔赛召开,我国派出的代表团,由国家科委生物工程技术中心徐振国教授任团长,团员有景绍亮、何明清(受中国微生物学会人兽共患专委会委派)、潘光炎、陈天培五人应邀出席了本届会议。参加本届讨论会有22个国家,381名代表。其中法国 The IX International Symposium on Gnotobiology was held in Versailles, Paris, France from June 21 to June 26, 1987. A delegation from China sent a delegation by Professor Xu Zhenguo from the Bioengineering and Technology Center of the State Science and Technology Commission Head of the delegation, there Jing Jingliang, He Mingqing (by the China Society for Microbiology Committee of Zoomed), Pan Guangyan, Chen Tianpei five were invited to attend this session. There are 22 countries and 381 delegates attending this symposium. Among them, France